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RE: Tube voltage doubler

I agree with the sentiment of not beating the guano out of 5U4s or any other type. However, we have to remember that rectifier data sheet limits were "settled", when PSU 'lytics tolerance was -20/+100 %.

I'm not a simulation guy. I believe that the 1st thing to do is taking all steps needed to prevent arc over, at power turn on time. Of course, arcing is very bad, at any time. JMO, taming turn surge "demons" goes a long way towards obtaining overall good behavior. NTC inrush current limiters can contribute towards satisfactory outcomes.


Eli D.


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